CN209869779U

CN209869779U - Automatic forming machine for hot-melt envelope

Info

Publication number: CN209869779U
Application number: CN201920021688.XU
Authority: CN
Inventors: 姚怀林
Original assignee: Jiaxing Saitao Office Supplies Co Ltd
Current assignee: Jiaxing Saitao Office Supplies Co Ltd
Priority date: 2019-01-07
Filing date: 2019-01-07
Publication date: 2019-12-31
Anticipated expiration: 2029-01-07

Abstract

The utility model relates to an automatic forming machine for hot melt envelope, including following mechanism: the first unwinding mechanism and the second unwinding mechanism; a gluing mechanism; a compaction part; the first rolling part is rotationally arranged on the conveying mechanism; the second rolling part is rotationally arranged on the conveying mechanism and is tightly abutted against the long edge of the film roll so as to press a second folding line under the condition that the conveying mechanism conveys the film roll; a cutting mechanism; a hot melt adhesive spraying mechanism; the blanking mechanism is arranged in the hot melt adhesive spraying mechanism and is used for conveying the hot melt envelope. The utility model discloses replace artifical work by mechanical automatic processing production, reduced the human cost and improved production efficiency, promoted the machining precision simultaneously.

Description

Automatic forming machine for hot-melt envelope

Technical Field

The utility model relates to an automatic forming machine for hot-melt sealing sleeves, which belongs to production equipment for hot-melt sealing sleeves.

Background

The hot-melt envelope is a product used in a hot-melt bookbinding machine, and is a bookbinding product using a resin material as a bookbinding material.

Fig. 10 shows a hot melt envelope comprising paperboard and film, the prior art processing techniques being: one long edge of the film covers one long edge of the paperboard, and adhesive is coated between the film and the paperboard to achieve the fixing purpose; pressing a first foldable mark 603 and a second foldable mark 703 on two sides of the overlapped part of the two parts; and hot melt glue is sprayed on the overlapped part and the edge thereof (the shaded part in the figure) by a hot melt glue sprayer.

In the technology, a plurality of processes are required to be operated by corresponding workers, so that the labor cost is high; manual operation is performed, the processing precision of the hot-melt envelope is low, such as uneven width of an overlapped part caused by manual overlapping of paper jam and film, and the like; and the automation degree is low, and the production efficiency is limited.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art exists provides a hot melt big envelope automatic molding machine, replaces artifical work by mechanical automatic processing production, has reduced the human cost and has improved production efficiency, has promoted the machining precision simultaneously.

The utility model provides an above-mentioned technical problem's technical scheme as follows: an automatic forming machine for hot melt envelope comprises the following mechanisms: the first unwinding mechanism and the second unwinding mechanism are used for unwinding a paper clamping roll and a film roll respectively; the gluing mechanism is used for gluing the long edge of one side of the paper clamping roll or the film roll; the conveying mechanism is used for receiving and conveying the paper clamping roll and the film roll after the two long edges are overlapped; the compaction part is arranged at the front end of the conveying mechanism and is abutted against the upper surface of the overlapped part of the paper clamping roll and the film roll; the first rolling part is rotationally arranged on the conveying mechanism and tightly abutted against the long edge of the paperboard roll so as to press a first foldable mark under the condition that the conveying mechanism conveys the paperboard roll; the second rolling part is rotationally arranged on the conveying mechanism and is tightly abutted against the long edge of the film roll so as to press a second folding line under the condition that the conveying mechanism conveys the film roll; the cutting mechanism is arranged at the rear end of the conveying mechanism and is used for cutting the paper clamping roll and the film roll after passing through to obtain a hot-melt envelope initial product; the hot melt adhesive spraying mechanism is arranged right above the overlapped part of the card paper roll and the film roll and sprays adhesive to the overlapped part to obtain a hot melt sleeve; the blanking mechanism is arranged in the hot melt adhesive spraying mechanism and is used for conveying the hot melt envelope.

By adopting the technical scheme, the unreeling paperboard roll and the film roll are unreeled independently through the first unreeling mechanism and the second unreeling mechanism, and the horizontal distance between the first unreeling mechanism and the second unreeling mechanism is controlled, so that the mutually overlapped parts are formed when a coil material is conveyed to the conveying mechanism, and before the coil material and the conveying mechanism are overlapped, one of the parts (such as the long edge of the inner side of the paperboard roll) is glued, so that the effect of adhesion during mutually overlapping is realized; after being compacted by the compaction part, the adhesive is further firmly bonded, so that the rolling operation of the first and second rolling parts of the subsequent process is convenient; the coil stock is conveniently cut into independent hot melt envelope sleeves through the cutting mechanism, the hot melt adhesive spraying mechanism is used for spraying the hot melt adhesive to the inner sides of the overlapped parts of the card paper roll and the film roll, the hot melt adhesive is cooled on the subsequent blanking mechanism, and the worker stacks ten films as one film after folding the first film and the second film according to the folding marks.

The utility model discloses a further, conveying mechanism front end is provided with the guide-in roller, the card paper roll is led in to conveying mechanism from the bottom of guide-in roller from bottom to top, the film roll is led in to conveying mechanism from the bottom of guide-in roller from top to bottom; the middle part of the guide-in roller is provided with an annular groove, and the annular groove corresponds to the overlapped part of the paper clamping roll and the film roll.

Adopt above-mentioned technical scheme: the card scroll scribbles glue, and when both just contacted, glue still is not solidified, if in through leading-in roller transportation process, when the part that overlaps directly receives leading-in roller roll-in, then glue spills over to both sides from overlapping the department easily, so be provided with the ring channel, avoided the conveying to influence the stability of glue solidification.

The utility model discloses it is further, rubberizing mechanism includes fixed connection in conveying mechanism's gluey groove, rotates and connects in conveying mechanism and bottom and dip the rubberizing roller of gluing the inslot glue solution, contradict in the scraper on rubberizing roller surface and form the rubberizing of double-barreled grinding with the rubberizing roller and support the pinch roller.

Adopt above-mentioned technical scheme: the purpose of gluing the long side of the inner side of the paper clamping roll is achieved.

The utility model discloses it is further, still including arranging the electrical heating stoving subassembly of leading-in roller in the back, electrical heating stoving subassembly fixed connection is in conveying mechanism, and is located card scroll and film book below of overlapping the part mutually.

Adopt above-mentioned technical scheme: the glue solidification is accelerated in a short conveying process, the subsequent indentation treatment is facilitated, the temperature is controlled, and the phenomenon that the appearance is deformed due to the fact that the internal structures of the paperboard, the film and the mutual superposition of the paperboard and the film are changed is avoided.

The utility model discloses a further, conveying mechanism installs the compaction pole, the compaction part includes concave type piece and the compaction wheel of joint in the compaction pole bottom, and concave type piece side level is provided with the bolt, and the bolt inner penetrates to in the notch of concave type piece and supports tightly in the compaction pole; the lateral surface of the bottom of the compaction rod is provided with a convex block, and the notch of the concave block is concave inwards to form an inner notch which is mutually clamped with the convex block; the compaction wheel rotates and is connected with the connection plate, concave type piece bottom is provided with the vertical recess of joint connection plate, the connection plate rotates to be connected in vertical recess and is provided with the spring between the two, the screw hole that is linked together with vertical recess is seted up downwards to concave type piece, screw hole female connection adjusting bolt, adjusting bolt wears to establish the one end butt in the connection plate of screw hole.

Adopt above-mentioned technical scheme: on one hand, the position of the compaction wheel can be adjusted to align the overlapped part of the paperboard roll and the film roll, on the other hand, the pressing force of the compaction wheel can be adjusted, and the best pressing effect is achieved when the overlapped part of the paperboard roll and the film roll is debugged.

The utility model discloses a further, the first rolling part includes two first pressure shafts which are arranged up and down and are rotationally connected with the conveying mechanism, a first pressure wheel is fixedly sleeved outside the first pressure shaft, and two adjacent first pressure rings are coaxially arranged outside the first pressure wheel; the second rolling portion comprises two second pressing shafts which are arranged up and down and are connected to the conveying mechanism in a rotating mode, a second pressing wheel is sleeved outside the second pressing shafts in a fixed mode, and two adjacent second pressing rings are coaxially arranged outside the second pressing wheel.

Adopt above-mentioned technical scheme: a first foldable line is pressed by the first pressing ring, a second foldable line is pressed by the second pressing ring, and two adjacent first pressing rings and second pressing rings are respectively arranged, two foldable marks I and two foldable marks II can be respectively formed, the foldable mark I and the foldable mark II in the middle are used for spraying hot melt adhesive, the hot melt envelope can be folded along the foldable mark I and the foldable mark II in the middle, a plurality of paper sheets can be placed in the middle of the folded paperboard and film, the ridge of the hot melt envelope is heated by adopting hot melting, the paper can be glued and fixed, because the hot melting machine is provided with the strip-shaped hot pressing rod, when the hot pressing rod is just matched with the paperboard part between the two foldable lines I, the hot pressing rod can be conveniently used as a pressing reference of the hot pressing rod, in addition, can be with the card paper along the crease one upwards turn up in the outside during the veneer, but avoid overflowing the hot melt adhesive that can crease one in the middle of and excessively bond in card paper, receive the hindrance when causing to turn over first page.

The utility model discloses it is further, conveying mechanism rotates the adjusting screw who is connected with the level setting, adjusting screw wears to be equipped with the supporting seat and both are threaded connection, the supporting seat still wears to be equipped with the polished rod and both are sliding fit, second last item one end is rotated and is connected in the supporting seat, and the other end wears to locate in conveying mechanism and both are sliding fit.

Adopt above-mentioned technical scheme: the adjusting screw rod is rotated to realize that the supporting seat moves along the horizontal direction, so that the horizontal position of the second pressing ring along the vertical conveying direction can be adjusted, different positions of the film can be selected for indentation treatment, and the diversity of the hot-melt envelope is improved.

The utility model discloses a further, conveying mechanism fixedly connected with backup pad, the bar groove parallel to each other with second last item axial is seted up to the backup pad, adjusting bolt is worn to be equipped with in the bar inslot, the adjusting bolt screw thread is fixed in the supporting seat.

Adopt above-mentioned technical scheme: although the supporting seat and the adjusting screw are meshed to have a certain limiting and fixing effect, the supporting seat still can generate small displacement or generate vibration due to instability in the indentation working process, the supporting seat is fixedly installed on the supporting plate through the adjusting bolt, and the supporting plate is fixedly connected to the conveying mechanism, so that the stability of the equipment in operation is improved, and the first folding mark and the second folding mark are uniform in depth and are not bent.

The utility model discloses it is further, the supporting seat is the L type, the vertical board of its lateral part fixedly connected with, vertical board rotates and is connected with the supporting gear, and the second last item that is located the below is provided with the gear, go up gear and supporting gear intermeshing.

Adopt above-mentioned technical scheme: because sliding fit is between second last item and the conveying mechanism, consequently there is the clearance between the two, produces the vibration when equipment in the operation engineering, causes the unstability of second last item easily, so set up supporting gear and last gear, improves the stability of the rotation in-process of second last item from this.

The utility model discloses a further, cut and be provided with the linking conveyer belt of slope between mechanism and the hot melt adhesive spraying mechanism, it is provided with near cutting mechanism department and supports and presses the subassembly to link up the conveyer belt, support and press the subassembly including supporting the pressure frame and supporting the pressure pearl, it has a plurality of circular notches to support the pressure frame, it is located circular notch to support the pressure pearl.

Adopt above-mentioned technical scheme: the pressing bead is abutted to the hot melting sealing sleeve due to self gravity, the arranged circular notch is used for limiting the pressing bead, and the pressing bead can rotate in the circular notch.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

fig. 2 is a schematic structural diagram illustrating the first and second unwinding mechanisms according to the embodiment;

FIG. 3 is a schematic diagram of an embodiment of a transport for displaying a card paper roll and a film roll;

FIG. 4 is a schematic structural diagram of a glue applying mechanism according to an embodiment;

FIG. 5 is a schematic structural view showing a guide-in roller according to an embodiment;

FIG. 6 is a schematic structural diagram for showing a compacted part according to an embodiment;

fig. 7 is a schematic structural view illustrating a second rolled portion according to an embodiment;

FIG. 8 is a schematic structural view illustrating another angle of the second rolled portion according to the embodiment;

FIG. 9 is a schematic diagram illustrating the positions of the first and second rollers according to one embodiment;

FIG. 10 is a schematic view of the embodiment showing the hot melt envelope unfolded;

fig. 11 is a schematic structural diagram illustrating a cutting mechanism and a hot melt adhesive spraying mechanism according to an embodiment.

Reference numerals: 10. an unwinding motor; 101. a gear set; 102. a rolling group; 103. an air expansion shaft; 20. a lead-in roller; 201. an annular groove; 301. a glue groove; 302. gluing a rubber roller; 303. gluing and pressing the wheel; 304. a ring groove; 4. an electric heating drying component; 50. compacting the rod; 501. a concave block; 502. compacting wheels; 503. a protruding block; 504. an inner recess; 505. a connector tile; 506. a vertical groove; 507. a spring; 60. a first pressing shaft; 601. a first pinch roller; 602. a first pressure ring; 603. the first folding line can be folded; 70. a second pressing shaft; 701. a second pinch roller; 702. a second pressure ring; 703. folding a second; 80. a fixing plate; 801. a first gear; 802. a supporting seat; 803. a second gear; 804. a drive motor; 805. a ring gear; 806. adjusting the screw rod; 807. a polish rod; 808. a support plate; 809. a strip-shaped groove; 810. a vertical plate; 811. a support gear; 9. a cutting mechanism; 11. pressing the frame; 12. pressing the beads; 13. a hot melt adhesive spraying mechanism; 14. paper clamping; 15. film rolls.

Detailed Description

The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

An automatic machine for forming hot-melt envelope, see fig. 1 and 2, comprises the following mechanisms: the first unwinding mechanism and the second unwinding mechanism are used for respectively unwinding the card paper roll 14 and the film roll 15; the first unwinding mechanism comprises an unwinding motor 10, a gear set 101, a rolling set 102 and an air expansion shaft 103, the air expansion shaft 103 is arranged between the gear set 101 and the rolling set 102, the unwinding motor 10 drives the air expansion shaft 103 to rotate through the gear set 101, the rolling set 102 is used for supporting the other end of the air expansion shaft 103, and the air expansion shaft 103 is enabled to rotate smoothly through the rolling set 102. First unwinding mechanism still includes the roller set that is used for leading card scroll 14, and the roller set sets up in the frame, and card scroll 14 is first from lower to upper conduction, and the level is conducted again, slope downwardly conducting after that, enters into conveying mechanism at last, and from the roller entering of the below on conveying mechanism when entering into to conduct to the inside roller of conveying mechanism's inside, 180 degrees walk around inboard roller and outwards conduct again, through rubberizing mechanism.

Referring to fig. 3 and 4, the gluing mechanism includes a glue tank 301 fixedly connected to the conveying mechanism, a gluing roller 302 rotatably connected to the conveying mechanism and having a bottom immersed in glue in the glue tank 301, a scraper (not shown) abutting against the surface of the gluing roller 302, and a gluing pressing roller 303 forming a pair-rolling with the gluing roller 302, the card paper roll 14 passes through the gluing roller 302 and the gluing pressing roller 303, the gluing roller 302 coats glue on one side edge of the card paper roll 14, and has a certain width controlled by the following structure: annular groove 304 has been seted up apart from certain width in one side of rubberizing roller 302, and the groove face and the tip plane of annular groove 304 are parallel to each other, and glue groove 301 one side curb plate joint is in annular groove 304, and the rubberizing roller 302 part that is located between annular groove 304 and the tip submerges in glue groove 301, only from this part can be to card stock form edge coating glue.

Referring to fig. 3 and 5, the glue-coated card web is guided horizontally from the surface of the transport mechanism over 180 ° around the upper roller and then over the uppermost lead-in roller 20; the two guiding-in rollers 20 are arranged up and down, the annular groove 201 is formed in the middle of the guiding-in roller 20, the annular groove 201 corresponds to the overlapped part of the paper clamping roll 14 and the film roll 15, the paper clamping roll 14 is coated with glue, when the paper clamping roll 14 and the film roll are just contacted, the glue is not solidified, if the overlapped part is directly rolled by the guiding-in roller 20 in the conveying process of the guiding-in roller 20, the glue is easy to overflow from the overlapped part to two sides, and therefore the annular groove 201 is formed, and the influence of the conveying on the glue solidification stability is avoided.

Similarly, the second unwinding mechanism comprises an unwinding motor 10, a gear set 101, a rolling set 102 and an air expansion shaft 103; and a set of rollers. The difference with the first unwinding mechanism is that the roller set is arranged at the outer side, the second unwinding mechanism is used for unwinding the film roll 15, and the film roll 15 is firstly conducted from bottom to top, then horizontally conducted, then obliquely conducted downwards and finally enters the conveying mechanism. The left and right positions of the first unwinding mechanism and the second unwinding mechanism are controlled so that the chuck paper roll 14 and the film roll 15 have overlapping portions with each other, and the overlapping portions of the both are glued at the introduction roller 20.

Conveying mechanism includes the carriage and is located the tractor of carriage tail end, the rear side that lies in leading-in roller 20 on the carriage is provided with electrical heating drying assembly 4, electrical heating drying assembly 4 fixed connection is in conveying mechanism, and be located card scroll 14 and film book 15 below of overlapping portion, electrical heating drying assembly 4 includes the stoving groove, the stoving groove notch is upwards, inside is provided with electric heating element, it dispels the heat to last after opening, realize drying to card stock form and film paper overlapping portion, realize accelerating the glue solidification in shorter transfer process, the indentation of the way of being convenient for later is handled, need control stoving temperature to avoid the card paper simultaneously, the film and mutual stack department inner structure between them change, lead to the outward appearance to produce deformation.

Referring to fig. 3 and 6, a compacting part is arranged on the conveying mechanism at the rear side of the electric heating drying assembly 4, the compacting part comprises a concave block 501 and a compacting wheel 502 which are clamped at the bottom of the compacting rod 50, a bolt is horizontally arranged on the side surface of the concave block 501, and the inner end of the bolt penetrates into a notch of the concave block 501 and is abutted against the compacting rod 50; the side surface of the bottom of the compaction rod 50 is provided with a convex block 503, and the notch of the concave block 501 is concave to form an inner concave opening 504 which is clamped with the convex block 503; the compaction wheel 502 is rotatably connected with a connecting plate 505, the bottom of the concave block 501 is provided with a vertical groove 506 for clamping the connecting plate 505, the connecting plate 505 is rotatably connected in the vertical groove 506 and provided with a spring 507 between the two, the concave block 501 is downwards provided with a threaded hole communicated with the vertical groove 506, the threaded hole is internally connected with an adjusting bolt, and one end of the adjusting bolt penetrating the threaded hole is abutted to the connecting plate 505. The position of the compacting wheel 502 can be adjusted to align the overlapped portion of the cardboard roll 14 and the film roll 15, and the pressing force of the compacting wheel 502 can be adjusted to adjust the overlapped portion of the cardboard roll 14 and the film roll 15 for the best effect.

A first rolling part and a second rolling part are arranged behind the pressing part, and are important structures of this embodiment, referring to fig. 9 and fig. 10, the first rolling part includes two first pressing shafts 60 which are arranged up and down and rotatably connected to the conveying mechanism, a first pressing wheel 601 is fixedly sleeved outside the first pressing shaft 60, two adjacent first pressing rings 602 are coaxially arranged outside the first pressing wheel 601, and the paper clamping roll 14 passes through between the two first pressing wheels 601, so that two first foldable lines 603 are obtained; the second rolling part comprises two second pressing shafts 70 which are arranged up and down and are rotationally connected to the conveying mechanism, a second pressing wheel 701 is fixedly sleeved outside the second pressing shafts 70, two adjacent second pressing rings 702 are coaxially arranged outside the second pressing wheels 701, the film roll 15 passes through the space between the two second pressing wheels 701, and therefore two folding lines 703 are obtained.

Referring to fig. 7 and 8, a second rolling part is used for detailed description, a fixing plate 80 is fixedly arranged on one side of the conveying frame, a bearing is embedded in the side surface of the fixing plate 80, a first gear 801 is rotatably arranged through the bearing, a second pressing shaft 70 penetrates through the first gear 801, a key groove is axially arranged in the first gear 801, a key matched with the key groove is arranged on the outer side of the second pressing shaft 70, and the key is clamped into the key groove to realize circumferential linkage, namely acting force is applied to the first gear 801 to rotate so as to drive the second pressing shaft 70 to rotate; the other end of the second pressing shaft 70 is rotatably connected with a supporting seat 802 through a bearing, and the supporting seat 802 is fixedly connected to the conveying frame.

One end of the lower second pressure shaft 70 is matched with a second gear 803; the second gear 803 is also rotatably coupled to the fixed plate 80 via a bearing in the same manner as the upper second presser shaft 70. The other end of the lower second pressing shaft 70 is also rotatably connected to the support plate 808 through a bearing.

A driving motor 804 is arranged below, a driving gear is coaxially installed on an output shaft of the driving motor 804, a gear ring 805 is sleeved among the first gear 801, the second gear 803 and the driving gear, the first gear 801 and the second gear 803 are driven by the driving motor 804 to rotate.

In the structure of the upper second pressure shaft 70 and the first gear 801, the key and the key groove are not in interference fit, but in clearance fit, so that the second pressure shaft 70 can slide axially, and it is worth mentioning that in order to avoid interference of the first gear 801, the bearing and the fixing plate 80 on the sliding of the second pressure shaft 70, a hole needs to be coaxially formed at a suitable position, the depth of the hole is about 5 cm, and a sliding space for adjusting the second pressure shaft 70 is reserved; supporting seat 802 rotates and is connected with the adjusting screw 806 that the level set up, adjusting screw 806 wears to be equipped with supporting seat 802 and both are threaded connection, supporting seat 802 still wears to be equipped with polished rod 807 and both are sliding fit, adjusting screw 806 one end is passed the carriage and is circumscribed to have the hand wheel, it can realize driving adjusting screw 806 and rotate the horizontal position in order to adjust supporting seat 802 to rotate the hand wheel, a horizontal position for adjusting second clamping ring 702 along vertical transport direction, can choose the position of getting the difference to the film and carry out the indentation processing, make the different thickness of hot melt envelope dress paper.

Although have certain spacing fixed effect after the meshing between supporting seat 802 and adjusting screw 806, still can be the little displacement of production or because the unstability produces the vibration in the course of the work of indentation, consequently at carriage fixedly connected with backup pad 808, the strip groove 809 that is parallel to each other with second last item 70 axial is seted up to backup pad 808, wears to be equipped with adjusting bolt in the strip groove 809, and adjusting bolt threaded fixation is in supporting seat 802. The supporting seat 802 is fixedly installed on the supporting plate 808 by the adjusting bolts, and the supporting plate 808 is fixedly connected to the conveying mechanism, so that the stability of the equipment in operation is improved, and the depth of the foldable mark I603 and the foldable mark II 703 is uniform and is not bent.

In addition, the support base 802 is provided in an L shape, a vertical plate 810 is fixedly connected to a side portion of the support base, a support gear 811 is rotatably connected to the vertical plate 810, an upper gear is provided on the second pressing shaft 70 located below, and the upper gear is engaged with the support gear 811, whereby instability due to clearance fit of the key and the key groove can be reduced.

Referring to fig. 1 and 11, the cutting mechanism 9 is disposed at the rear side of the carriage according to the present embodiment, so that the cardboard roll 14 and the film roll 15 can be cut after passing through the cutting mechanism 9, and the roll material can be conveniently cut into individual hot-melt envelopes by the cutting mechanism 9, so as to obtain initial products of the hot-melt envelopes. The rear of the cutting mechanism 9 is a connecting conveying belt, a pressing component is arranged at a position, close to the cutting mechanism 9, of the connecting conveying belt, the pressing component comprises a pressing frame 11 and pressing beads 12, the pressing frame 11 is provided with a plurality of circular notches, and the pressing beads 12 are located in the circular notches. The pressing bead 12 is abutted against the hot-melt envelope by self gravity, the arranged circular notch is used for limiting the pressing bead 12, and the pressing bead 12 can rotate in the circular notch.

The rear side of the connecting conveying belt is arranged to be horizontal, a hot melt adhesive spraying mechanism 13 is arranged on the horizontal section, the hot melt adhesive spraying mechanism is arranged right above the overlapped part of the card paper roll 14 and the film roll 15, and the overlapped part is sprayed with adhesive to obtain a hot melt envelope; and a blanking mechanism is arranged in the hot melt adhesive spraying mechanism 13 and used for conveying the hot melt envelope.

The unwinding card paper roll 14 and the film roll 15 are independently unwound through the first unwinding mechanism and the second unwinding mechanism, and the horizontal distance between the first unwinding mechanism and the second unwinding mechanism is controlled, so that an overlapping part is formed when a coil material is conveyed to the conveying mechanism, and before the coil material and the conveying mechanism are overlapped, one of the overlapping part (such as the long edge of the inner side of the card paper roll 14) is glued, so that the gluing effect during overlapping is realized; after being compacted by the compaction part, the adhesive is further firmly bonded, so that the rolling operation of the first rolling part and the second rolling part in the subsequent process is facilitated; the coil stock is conveniently cut into individual hot melt envelopes through the cutting mechanism 9, finally the hot melt adhesive is sprayed to the inner side of the overlapped part of the card paper roll 14 and the film roll 15 through the hot melt adhesive spraying mechanism 13, the hot melt adhesive is cooled on a subsequent blanking mechanism, and a worker stacks ten folded films for bagging after folding according to the first folding mark 603 and the second folding mark 703. The first foldable mark 603 is pressed by the first press ring 602, the second foldable mark 703 is pressed by the second press ring 702, and two adjacent first press ring 602 and second press ring 702 are respectively arranged, namely two foldable mark 603 and foldable mark 703 are respectively formed, the middle foldable mark 603 and the foldable mark 703 are used for spraying hot melt adhesive, the hot melt envelope is folded along the middle foldable mark 603 and the foldable mark 703, a plurality of paper sheets can be placed between the paperboard and the film, the spine of the hot melt envelope is heated by hot melt and gluing, the paper sheets can be glued and fixed, because the hot melt machine is provided with a strip-shaped hot press rod, when the hot press rod is just matched with the paperboard part between the two foldable marks 603, the paperboard can be conveniently used as a pressing reference of the hot press rod, in addition, the paperboard can be upwards folded along the outer foldable mark 603 during gluing, thereby avoiding excessive bonding of the paperboard overflowing from the middle foldable mark 603, causing a hindrance to the opening of the first page.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An automatic forming machine for hot melt envelopes is characterized by comprising the following mechanisms: the first unwinding mechanism and the second unwinding mechanism are used for respectively unwinding a paper clamping roll (14) and a film roll (15); the gluing mechanism is used for gluing the long edge on one side of the card paper roll (14) or the film roll (15); the conveying mechanism is used for receiving and conveying the paper clamping roll (14) and the film roll (15) which are formed by overlapping two long edges; the compaction part is arranged at the front end of the conveying mechanism and is abutted against the upper surface of the overlapped part of the paperboard roll (14) and the film roll (15); the first rolling part is rotationally arranged on the conveying mechanism and tightly abutted against the long edge of the paperboard roll (14) so as to press a first foldable mark (603) under the condition that the conveying mechanism conveys the paperboard roll (14); the second rolling part is rotationally arranged on the conveying mechanism and is tightly abutted against the long edge of the film roll (15) so as to press a second folding line (703) under the condition that the conveying mechanism conveys the film roll (15); the cutting mechanism (9) is arranged at the rear end of the conveying mechanism and is used for cutting after the paperboard roll (14) and the film roll (15) penetrate through to obtain a hot-melt envelope initial product; the hot melt adhesive spraying mechanism (13) is arranged right above the overlapped part of the card paper roll (14) and the film roll (15) and sprays adhesive to the overlapped part to obtain a hot melt sleeve; the blanking mechanism is arranged in the hot melt adhesive spraying mechanism (13) and is used for conveying the hot melt envelope.

2. The automatic hot-melt envelope forming machine according to claim 1, wherein a leading-in roller (20) is arranged at the front end of the conveying mechanism, the card paper roll (14) is led into the conveying mechanism from the bottom of the leading-in roller (20) from bottom to top, and the film roll (15) is led into the conveying mechanism from the bottom of the leading-in roller (20) from top to bottom; an annular groove (201) is formed in the middle of the guide-in roller (20), and the annular groove (201) corresponds to the overlapped part of the paper clamping roll (14) and the film roll (15).

3. The automatic forming machine for hot-melt envelopes as claimed in claim 2, wherein the gluing mechanism comprises a glue tank (301) fixedly connected with the conveying mechanism, a gluing roller (302) rotatably connected with the conveying mechanism and with the bottom immersed in glue in the glue tank (301), a scraper abutting against the surface of the gluing roller (302), and a gluing abutting wheel (303) forming a butt-rolling with the gluing roller (302).

4. An automatic machine for forming hot-melt envelopes as claimed in claim 3, also comprising an electrically heated drying assembly (4) set back on the infeed roller (20), said electrically heated drying assembly (4) being fixedly connected to the conveying means and being positioned below the overlapped portion of the card web (14) and the film web (15).

5. The automatic hot-melt envelope forming machine according to claim 4, wherein the conveying mechanism is provided with a compacting rod (50), the compacting part comprises a concave block (501) and a compacting wheel (502) which are clamped at the bottom of the compacting rod (50), a bolt is horizontally arranged on the side surface of the concave block (501), and the inner end of the bolt penetrates into a notch of the concave block (501) and abuts against the compacting rod (50); a convex block (503) is arranged on the side face of the bottom of the compaction rod (50), and an inner notch (504) clamped with the convex block (503) is formed in the concave notch of the concave block (501); compaction wheel (502) rotate and are connected with connection plate (505), concave type piece (501) bottom is provided with vertical recess (506) of joint connection plate (505), connection plate (505) rotate connect in vertical recess (506) and be provided with spring (507) between the two, concave type piece (501) are seted up downwards with vertical recess (506) the screw hole that is linked together, screw hole female connection adjusting bolt, adjusting bolt wears to establish the one end butt in connection plate (505) of screw hole.

6. The automatic hot-melt envelope forming machine according to claim 5, wherein the first rolling part comprises two first pressing shafts (60) which are arranged up and down and are rotatably connected to the conveying mechanism, a first pressing wheel (601) is fixedly sleeved outside the first pressing shafts (60), and two adjacent first pressing rings (602) are coaxially arranged outside the first pressing wheel (601); the second rolling part comprises two second pressing shafts (70) which are arranged up and down and are connected to the conveying mechanism in a rotating mode, a second pressing wheel (701) is sleeved on the second pressing shafts (70) in an outer fixed mode, and two adjacent second pressing rings (702) are coaxially arranged outside the second pressing wheel (701).

7. The automatic hot-melt envelope forming machine according to claim 6, wherein the conveying mechanism is rotatably connected with a horizontally arranged adjusting screw (806), the adjusting screw (806) is provided with a support base (802) in a penetrating way and is in threaded connection with the support base, the support base (802) is further provided with a polished rod (807) in a penetrating way and is in sliding fit with the support base, one end of the second pressing shaft (70) is rotatably connected with the support base (802), and the other end of the second pressing shaft is provided with the conveying mechanism in a penetrating way and is in sliding fit with the support base.

8. The automatic hot-melt envelope forming machine according to claim 7, wherein the conveying mechanism is fixedly connected with a support plate (808), the support plate (808) is provided with a strip-shaped groove (809) which is axially parallel to the second pressing shaft (70), an adjusting bolt penetrates through the strip-shaped groove (809), and the adjusting bolt is fixed on the support seat (802) in a threaded manner.

9. The automatic hot-melt envelope forming machine according to claim 8, wherein the supporting base (802) is L-shaped, a vertical plate (810) is fixedly connected to the side of the L-shaped supporting base, a supporting gear (811) is rotatably connected to the vertical plate (810), and an upper gear is arranged on the second pressing shaft (70) positioned below the L-shaped supporting base, and the upper gear is meshed with the supporting gear (811).

10. The automatic hot-melt envelope forming machine according to claim 1, wherein an inclined connecting conveyor belt is arranged between the cutting mechanism (9) and the hot-melt adhesive spraying mechanism (13), a pressing component is arranged on the connecting conveyor belt close to the cutting mechanism (9), the pressing component comprises a pressing frame (11) and a pressing bead (12), the pressing frame (11) is provided with a plurality of circular notches, and the pressing bead (12) is located in the circular notches.